Itaconic Acid
A cosmetic ingredient used as antimicrobial, buffering, skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Butanedioic acid, 2-methylene-
What does it do?
Itaconic Acid is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Antimicrobial
kills or inhibits the growth of microorganisms
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Buffering
stabilises the pH of a product
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Skin conditioning
improves the appearance, feel, and condition of skin
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Skin conditioning - emollient
softens the skin by reducing roughness and friction between skin cells
EU regulatory status
Itaconic Acid is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Itaconic Acid?
Itaconic Acid is a cosmetic ingredient catalogued in the EU CosIng database. Butanedioic acid, 2-methylene-
Is Itaconic Acid allowed in cosmetics in the EU?
Yes. Itaconic Acid is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Itaconic Acid do in cosmetic products?
Itaconic Acid is declared in the EU cosmetic ingredient inventory with these functions: antimicrobial, buffering, skin conditioning, skin conditioning - emollient.
What is the CAS number of Itaconic Acid?
The CAS (Chemical Abstracts Service) number for Itaconic Acid is 97-65-4.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 14/10/2019